Silly Patent #2: Life Expectancy Timepiece
This invention as a whole doesn't strike me as very inventive, though I can see a case being made for its utility, as well as its non-obviousness and novelty. Though the non-obviousness argument is questionable, considering this patent application included other backwards counting watches as prior art. Regardless, I find the accuracy of such a device questionable, and the more questionable the accuracy, the more questionable the utility.
This seems like a ridiculous thing to patent, although no one can question its novelty. I'm interested in learning how they predict how long the wearer has to live.
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